[INFO] fetching crate class_group 0.6.1...
[INFO] checking class_group-0.6.1 against try#19359abcd1be36c9ba1922a244cf9abf02af7a22 for pr-114716
[INFO] extracting crate class_group 0.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate class_group 0.6.1 on toolchain 19359abcd1be36c9ba1922a244cf9abf02af7a22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate class_group 0.6.1
[INFO] finished tweaking crates.io crate class_group 0.6.1
[INFO] tweaked toml for crates.io crate class_group 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b238616e218e19bf7a28d043636c33d8941f919d992c2da9e114c423250610f7
[INFO] running `Command { std: "docker" "start" "-a" "b238616e218e19bf7a28d043636c33d8941f919d992c2da9e114c423250610f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b238616e218e19bf7a28d043636c33d8941f919d992c2da9e114c423250610f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b238616e218e19bf7a28d043636c33d8941f919d992c2da9e114c423250610f7", kill_on_drop: false }`
[INFO] [stdout] b238616e218e19bf7a28d043636c33d8941f919d992c2da9e114c423250610f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a31b8c620db7b2f241baaa736a5f746b112142a25033a6fa7016001734a9e58
[INFO] running `Command { std: "docker" "start" "-a" "0a31b8c620db7b2f241baaa736a5f746b112142a25033a6fa7016001734a9e58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling rug v1.20.1
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[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.46
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking der v0.6.1
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[INFO] [stderr]     Checking elliptic-curve v0.12.3
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[INFO] [stderr]     Checking p256 v0.11.1
[INFO] [stderr]     Checking curv-kzen v0.10.0
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/integer/big.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub const ONE: &Integer = {
[INFO] [stdout]     |                    ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/integer/big.rs:253:24
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub const NEG_ONE: &Integer = {
[INFO] [stdout]     |                        ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub const ZERO: &Rational = {
[INFO] [stdout]     |                     ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub const ONE: &Rational = {
[INFO] [stdout]     |                    ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:216:24
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub const NEG_ONE: &Rational = {
[INFO] [stdout]     |                        ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0637`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rug` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a31b8c620db7b2f241baaa736a5f746b112142a25033a6fa7016001734a9e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a31b8c620db7b2f241baaa736a5f746b112142a25033a6fa7016001734a9e58", kill_on_drop: false }`
[INFO] [stdout] 0a31b8c620db7b2f241baaa736a5f746b112142a25033a6fa7016001734a9e58